<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>HTML的布局标签-div</title>
    </head>
    <body>
        <!-- 顶部 -->
        <div>
            <!-- logo -->
            <div>

            </div>
            <!-- 导航 -->
            <div>

            </div>
        </div>
        <!-- 中心部分 -->
        <div>

        </div>
        <!-- 底部 -->
        <div>

        </div>
    </body>
</html>